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The isotopes protium (H-1) and deuterium (H-2) are stable; tritium (H-3) and artificial isotopes are unstable.
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What element has no stable isotopes?
hydrogen
What element that has no stable isotopes?
hydrogen
Is hydrogen a stable gas?
Hydrogen is a very reactive chemical element.
Is Helium the first element on the periodic table and the most stable element in the universe?
False (Hydrogen has the first position, Helium is the most stable)
How are molecules of an element and a compound different?
Hydrogen symbol : H , and atomic number : 1 is an element . Whereas H2 is the hydrogen compound . The element may not be stable but molecule are always stable . When we see the molecular structure of hydrogen element , the outer most valence shell has one electron , which means hydrogen needs one more electron to fulfill its duplet . When the octate and duplet are fulfilled they are stable . In compound various element and molecules , bond to complete each others octate or duplet . Compound have certain bond . Eg electrovalent bond and covalent bond .
What hydrogen isotopes are stable?
Hydrogen-1 and hydrogen-2 isotopes are radioactively stable.
What is the element with the least atomic mass is hydrogen or helium?
Hydrogen's atomic mass (1 amu for the most stable isotope) is less than that of helium (4 amu).
Which element is not placed into a group because of its unqiue properties?
HYDROGEN because it can donate or receive an electron in order to be as stable as Halogens
What isotopes are stable?
Hydrogen-1 and hydrogen-2 isotopes are radioactively stable.
How do hydrogen atoms make a stable configuration?
Hydrogen is a diatomic element needing another one of its kind to be stable so another hydrogen atom would bond with it making H2, but there could be other elements that need just one electron to be happy can also bond with Hydrogen (like Fluorine, which makes Hydofluoric Acid).
Is a Hydrogen a element or a compound?
it's an element!
Does atomic weight is same with atomic number?
Atomic weight is not the same as atomic number for any element except hydrogen; this is the only element that has a radioactively stable isotope with no neutrons.
